.tag_underline {text-decoration: underline}
.tag_center {text-align: center}
.tag_left {text-align: left}
.tag_right {text-align: right}
.tag_justify {text-align: justify}
.tag_x-small {font-size: 0.5em}
.tag_small {font-size: 0.75em}
.tag_large {font-size: 1.25em}
.tag_x-large {font-size: 1.5em}
.tag_red {color: red}
.tag_green {color: green}
.tag_blue {color: blue}
.tag_orange {color: #ff5100}
.tag_yellow {color: #FFFD00}
.float-l {float: left}
.float-r {float: right}
.bg_white {background-color: white}
.bg_gray {background-color: #B9B9B9}